Compare 2131 vs 2139
| Property | 2131 | 2139 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 21311 | 31 × 231 × 311 |
| Prime factorization | 2131 | 3 × 23 × 31 |
| Divisors count | 2 | 8 |
| Divisors | 1, 2131 | 1, 3, 23, 31, 69, 93, 713, 2139 |
| Number of properties | 5 | 0 |
| Additive primes | 168th | |
| Primes | 321st | |
| Sexy primes (1st member) | 134th | |
| Sexy prime triplets (1st member) | 51st | |
| Twin primes (2nd member) | 66th | |
| Roman numberals | MMCXXXI | MMCXXXIX |
| Base 2 | 1000010100112 | 1000010110112 |
| Base 3 | 22202213 | 22210203 |
| Base 4 | 2011034 | 2011234 |
| Base 5 | 320115 | 320245 |
| Base 6 | 135116 | 135236 |
| Base 7 | 61337 | 61447 |
| Base 8 | 41238 | 41338 |
| Base 9 | 28279 | 28369 |
| Base 10 | 213110 | 213910 |
| Base 11 | 166811 | 167511 |
| Base 12 | 129712 | 12a312 |
| Base 13 | c7c13 | c8713 |
| Base 14 | ac314 | acb14 |
| Base 15 | 97115 | 97915 |
| Base 16 | 85316 | 85b16 |